#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
	srand((unsigned int)time(NULL));
	printf("%d\n", rand() % 10);
	printf("%d\n", rand() % 10);
	printf("%d\n", rand() % 10);
	printf("%d\n", rand() % 10);
	return 0;
}